/**
 * Copyright 2011 Google Inc. All Rights Reserved.
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *     http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 *
 * @fileoverview Lem doodle: Images.
 *
 * @author sfdimino@google.com (Sophia Foster-Dimino) – graphics/animation
 * @author mwichary@google.com (Marcin Wichary) – code
 * @author jdtang@google.com (Jonathan Tang)
 * @author khom@google.com (Kristopher Hom)
 */

/**
 * A list of all the image ids, in groups that we use to preload them later.
 * Each group corresponds to a different sprite.
 * @const
 */
engine.IMAGE_SETS = {
  // Things we need for the doodle to even show up.
  'intro': [
    'background/sky-3-1',
    'background/sky-3-2',
    'background/sky-3-3',
    'background/sky-4-1',
    'background/sky-4-2',
    'background/sky-4-3',
    'background/sky-5-1',
    'background/sky-5-2',
    'background/sky-5-3',
    'background/sky-6-1',
    'background/sky-6-2',
    'background/sky-6-3',

    'ui/loading',

    'background/mask-big-left',
    'background/mask-big-right',
    'background/mask-small-left',
    'background/mask-small-right',

    'ui/loading-progress-bar',

    'bird/body',
    'bird/wing-l-1',
    'bird/wing-l-2',
    'bird/wing-l-3',
    'bird/wing-l-4',
    'bird/wing-l-5',
    'bird/wing-l-6',
    'bird/wing-r-1',
    'bird/wing-r-2',
    'bird/wing-r-3',
    'bird/wing-r-4',
    'bird/wing-r-5',
    'bird/wing-r-6',
    'bird/antennae-1',
    'bird/antennae-2',
    'bird/antennae-3',
    'bird/antennae-4',
    'bird/antennae-5',
    'bird/antennae-6',
    'bird/eyes',

    'mouse-pointer/normal-black-1',
    'mouse-pointer/normal-black-2',
    'mouse-pointer/normal-black-3',
    'mouse-pointer/normal-white-1',
    'mouse-pointer/normal-white-2',
    'mouse-pointer/normal-white-3',
    'mouse-pointer/hover-1',
    'mouse-pointer/hover-2',
    'mouse-pointer/hover-3',
    'mouse-pointer/click',
    'mouse-pointer/wait-1',
    'mouse-pointer/wait-2',
    'mouse-pointer/wait-3',

    'ui/toolbar-wait-1',
    'ui/toolbar-wait-2',
    'ui/toolbar-wait-3',
    'ui/toolbar-wait-4',
    'ui/toolbar-wait-5',
    'ui/toolbar-wait-6',
    'ui/toolbar-wait-7',
    'ui/toolbar-wait-8',

    'ui/button-ffwd',
    'ui/button-ffwd-press-1',
    'ui/button-ffwd-press-2',
    'ui/button-tooltip',
    'ui/button-tooltip-press-1',
    'ui/button-tooltip-press-2',

    'ui/tooltip-arm',
    'ui/tooltip-hand',
    'ui/tooltip-hand-push',
    'ui/tooltip-flag',
    'ui/tooltip-cloud',

    'logo',
    'intro-finale/books',
    'intro-finale/easel',
    'intro-finale/charging-station',
    'intro-finale/stuff-1',
    'intro-finale/stuff-2',
    'intro-finale/stuff-3',
    'intro-finale/stuff-4',
    'intro-finale/stuff-5',
    'intro-finale/stuff-6',
    'intro-finale/stuff-7',
    'intro-finale/stuff-8',
    'intro-finale/stuff-9',
    'intro-finale/stuff-10',
    'intro-finale/stuff-11',

    'intro-finale/start-button',
    'intro-finale/start-button-press-1',
    'intro-finale/start-button-press-2',

    'trurl/sitting',
    'trurl/sitting-down-1',
    'trurl/sitting-down-2',
    'trurl/sitting-down-3',
    'trurl/sitting-down-4',
    'trurl/looking-away-right',
    'trurl/looking-away-right-tap-1',
    'trurl/looking-away-right-tap-2',
    'trurl/looking-away-right-tap-3',
    'trurl/looking-away-right-tap-4',
    'trurl/looking-away-left',
    'trurl/looking-away-left-tap-1',
    'trurl/looking-away-left-tap-2',
    'trurl/looking-away-left-tap-3',
    'trurl/looking-away-left-tap-4',
    'trurl/looking-right',
    'trurl/looking-left',
    'trurl/looking-up',
    'trurl/walk-1',
    'trurl/walk-2',
    'trurl/walk-3',
    'trurl/walk-4',
    'trurl/walk-5',
    'trurl/walk-6',
    'trurl/walk-7',
    'trurl/walk-8',

    'background/mountain-1',
    'background/mountain-2'
  ],

  // Things we need as soon as we start playing.
  'all-levels': [
    'trurl-thought-cloud/disassemble-1',
    'trurl-thought-cloud/disassemble-2',
    'trurl-thought-cloud/disassemble-3',
    'trurl-thought-cloud/disassemble-4',
    'trurl-thought-cloud/disassemble-5',
    'trurl-thought-cloud/disassemble-6',
    'trurl-thought-cloud/disassemble-7',
    'trurl-thought-cloud/disassemble-8',
    'trurl-thought-cloud/disassemble-9',
    'trurl-thought-cloud/disassemble-10',

    'bird/parts-connectors',
    'bird/parts-eyes',
    'bird/parts-connectors-eyes',
    'bird/parts-head',
    'bird/parts-complete',
    'nbot/head-1',

    'trurl/waiting-user',
    'trurl/no-1',
    'trurl/no-2',
    'trurl/no-3',
    'trurl/no-4',
    'trurl/no-5',
    'trurl/no-6',
    'trurl/no-7',
    'trurl/no-8',
    'trurl/no-9',
    'trurl/no-10',
    'trurl/no-11',
    'trurl/no-12',
    'trurl/no-13',
    'trurl/happy-1',
    'trurl/happy-2',
    'trurl/happy-3',

    'trurl-thought-cloud/opening-1',
    'trurl-thought-cloud/opening-2',
    'trurl-thought-cloud/opening-3',
    'trurl-thought-cloud/opening-4',
    'trurl-thought-cloud/opening-5',
    'trurl-thought-cloud/opening-6',
    'trurl-thought-cloud/opening-7',
    'trurl-thought-cloud/opening-8',
    'trurl-thought-cloud/opening-9',
    'trurl-thought-cloud/connectors-hollow',
    'trurl-thought-cloud/connectors',
    'trurl-thought-cloud/head-hollow',
    'trurl-thought-cloud/head',
    'trurl-thought-cloud/eyes-hollow',
    'trurl-thought-cloud/eyes'
  ],

  // Images needed for level 1, split into various files so they load faster
  // in parallel, and also not to the 3-megapixel limit in iOS.
  'level-1-1': [
    'numbot/explosion-1',
    'numbot/explosion-2',
    'numbot/explosion-3',
    'numbot/explosion-4',
    'numbot/explosion-5',
    'numbot/explosion-6',
    'numbot/explosion-7',
    'numbot/explosion-8',
    'numbot/explosion-9',
    'numbot/explosion-10',
    'numbot/explosion-11',
    'numbot/explosion-12',
    'numbot/explosion-13',
    'numbot/explosion-14',
    'numbot/explosion-15',

    'numbot/inside-brick',
    'numbot/inside-chassis-1',
    'numbot/inside-chassis-2',

    'numbot/button-top',
    'numbot/button-left-top',
    'numbot/button-right-top',
    'numbot/button-left-bottom',
    'numbot/button-right-bottom',
    'numbot/button-bottom',
    'numbot/button-activate',
    'numbot/button-top-press',
    'numbot/button-left-top-press',
    'numbot/button-right-top-press',
    'numbot/button-left-bottom-press',
    'numbot/button-right-bottom-press',
    'numbot/button-bottom-press',
    'numbot/button-activate-press-1',
    'numbot/button-activate-press-2',
    'numbot/button-alt-left-top',
    'numbot/button-alt-left-bottom',
    'numbot/button-alt-left-top-press',
    'numbot/button-alt-left-bottom-press'
  ],

  'level-1-2': [
    'hints/bubble-1',
    'hints/bubble-2',
    'hints/bubble-3',
    'hints/bubble-4',
    'hints/bubble-5',
    'hints/bubble-6',
    'hints/bubble-7',
    'hints/bubble-8',
    'hints/numbot-button-1',
    'hints/numbot-button-2',
    'hints/numbot-button-3',
    'hints/numbot-formula-1-1',
    'hints/numbot-formula-1-2',
    'hints/numbot-formula-1-3',
    'hints/numbot-formula-2-1',
    'hints/numbot-formula-2-2',
    'hints/numbot-formula-2-3',
    'hints/numbot-formula-3-1',
    'hints/numbot-formula-3-2',
    'hints/numbot-formula-3-3',
    'hints/numbot-mouse-pointer-1',
    'hints/numbot-mouse-pointer-2',
    'hints/numbot-mouse-pointer-3',

    'numbot/head-1',
    'numbot/head-2',
    'numbot/head-3',
    'numbot/head-4',
    'numbot/head-5',
    'numbot/head-6',
    'numbot/head-7',
    'numbot/head-8',
    'numbot/head-9',
    'numbot/head-happy',

    'numbot/steam-2-1',
    'numbot/steam-2-2',
    'numbot/steam-2-3',
    'numbot/steam-3-1',
    'numbot/steam-3-2',
    'numbot/steam-3-3',

    'numbot/body',
    'numbot/body-cover-1',
    'numbot/body-cover-2',
    'numbot/body-cover-3',
    'numbot/body-cover-4',
    'numbot/body-cover-5',
    'numbot/body-cover-6',
    'numbot/body-cover-7',
    'numbot/body-cover-8',
    'numbot/body-cover-9',
    'numbot/body-cover-10',
    'numbot/l-upper-arm',
    'numbot/l-upper-arm-rotate-0.8',
    'numbot/l-upper-arm-rotate-0.4',
    'numbot/l-upper-arm-rotate0.4',
    'numbot/l-upper-arm-rotate0.8',
    'numbot/l-lower-arm',
    'numbot/l-lower-arm-rotate-1.2',
    'numbot/l-lower-arm-rotate-0.6',
    'numbot/l-lower-arm-rotate0.6',
    'numbot/l-lower-arm-rotate1.2',
    'numbot/l-leg',
    'numbot/r-upper-arm',
    'numbot/r-upper-arm-rotate-0.8',
    'numbot/r-upper-arm-rotate-0.4',
    'numbot/r-upper-arm-rotate0.4',
    'numbot/r-upper-arm-rotate0.8',
    'numbot/r-lower-arm',
    'numbot/r-lower-arm-rotate-1.2',
    'numbot/r-lower-arm-rotate-0.6',
    'numbot/r-lower-arm-rotate0.6',
    'numbot/r-lower-arm-rotate1.2',
    'numbot/l-hand',
    'numbot/l-hand-rotate-4',
    'numbot/l-hand-rotate-2',
    'numbot/l-hand-rotate2',
    'numbot/l-hand-rotate4',
    'numbot/r-hand',
    'numbot/r-hand-rotate-4',
    'numbot/r-hand-rotate-2',
    'numbot/r-hand-rotate2',
    'numbot/r-hand-rotate4',
    'numbot/r-leg',

    'numbot/digit-window-1',
    'numbot/digit-window-2',
    'numbot/digit-window-3',

    'numbot/formula-1-1',
    'numbot/formula-1-2',
    'numbot/formula-1-3',
    'numbot/formula-1-4',
    'numbot/formula-1-5',
    'numbot/formula-1-6',
    'numbot/formula-1-7',
    'numbot/formula-1-8',
    'numbot/formula-1-9',
    'numbot/formula-1-10',
    'numbot/formula-1-11',
    'numbot/formula-1-12',
    'numbot/formula-1-13',
    'numbot/formula-1-14',
    'numbot/formula-1-15',
    'numbot/formula-1-16',
    'numbot/formula-1-17',
    'numbot/formula-1-18',
    'numbot/formula-1-19',
    'numbot/formula-1-20',
    'numbot/formula-1-21',
    'numbot/formula-1-22',
    'numbot/formula-1-23',
    'numbot/formula-1-24',
    'numbot/formula-2-1',
    'numbot/formula-2-2',
    'numbot/formula-2-3',
    'numbot/formula-2-4',
    'numbot/formula-2-5',
    'numbot/formula-2-6',
    'numbot/formula-2-7',
    'numbot/formula-2-8',
    'numbot/formula-2-9',
    'numbot/formula-2-10',
    'numbot/formula-2-11',
    'numbot/formula-2-12',
    'numbot/formula-2-13',
    'numbot/formula-2-14',
    'numbot/formula-2-15',
    'numbot/formula-2-16',
    'numbot/formula-2-17',
    'numbot/formula-2-18',
    'numbot/formula-2-19',
    'numbot/formula-2-20',
    'numbot/formula-2-21',
    'numbot/formula-2-22',
    'numbot/formula-2-23',
    'numbot/formula-2-24',
    'numbot/formula-2-25',
    'numbot/formula-2-26',
    'numbot/formula-2-27',
    'numbot/formula-2-28',
    'numbot/formula-2-29',
    'numbot/formula-2-30',
    'numbot/formula-2-31',
    'numbot/formula-2-32',
    'numbot/formula-2-33',
    'numbot/formula-2-34',
    'numbot/formula-2-35',
    'numbot/formula-2-36',
    'numbot/formula-2-37',
    'numbot/formula-2-38',
    'numbot/formula-2-39',
    'numbot/formula-2-40',
    'numbot/formula-2-41',
    'numbot/formula-2-42',
    'numbot/formula-2-43',
    'numbot/formula-2-44',
    'numbot/formula-2-45',
    'numbot/formula-2-46',
    'numbot/formula-2-47',
    'numbot/formula-2-48',
    'numbot/formula-2-49',
    'numbot/formula-2-50',
    'numbot/formula-2-51',
    'numbot/formula-2-52',
    'numbot/formula-2-53',
    'numbot/formula-2-54',
    'numbot/formula-2-55',
    'numbot/formula-3-1',
    'numbot/formula-3-2',
    'numbot/formula-3-3',
    'numbot/formula-3-4',
    'numbot/formula-3-5',
    'numbot/formula-3-6',
    'numbot/formula-3-7',
    'numbot/formula-3-8',
    'numbot/formula-3-9',
    'numbot/formula-3-10',
    'numbot/formula-3-11',
    'numbot/formula-3-12',
    'numbot/formula-3-13',
    'numbot/formula-3-14',
    'numbot/formula-3-15',
    'numbot/formula-3-16',
    'numbot/formula-3-17',
    'numbot/formula-3-18',
    'numbot/formula-3-19',
    'numbot/formula-3-20',
    'numbot/formula-3-21',
    'numbot/formula-3-22',
    'numbot/formula-3-23',
    'numbot/formula-3-24',
    'numbot/formula-3-25',
    'numbot/formula-3-26',
    'numbot/formula-3-27',
    'numbot/formula-3-28',
    'numbot/formula-3-29',
    'numbot/formula-3-30',
    'numbot/formula-3-31',
    'numbot/formula-3-32',
    'numbot/formula-3-33',
    'numbot/formula-3-34',
    'numbot/formula-3-35',
    'numbot/formula-3-36',
    'numbot/formula-3-37',
    'numbot/formula-3-38',
    'numbot/formula-3-39',
    'numbot/formula-3-40',
    'numbot/formula-3-41',
    'numbot/formula-3-42',
    'numbot/formula-3-43',
    'numbot/formula-3-44',
    'numbot/formula-3-45',
    'numbot/formula-3-46',
    'numbot/formula-3-47',
    'numbot/formula-3-48',
    'numbot/formula-3-49',
    'numbot/formula-3-50',
    'numbot/formula-3-51',
    'numbot/formula-3-52',
    'numbot/formula-3-53',
    'numbot/formula-3-54',
    'numbot/formula-3-end-1',
    'numbot/formula-3-end-2',
    'numbot/formula-3-end-3',
    'numbot/formula-3-end-4',
    'numbot/formula-3-end-5',
    'numbot/formula-3-end-6',
    'numbot/formula-3-end-7',
    'numbot/formula-3-end-8',
    'numbot/formula-3-end-9',
    'numbot/formula-3-end-10',
    'numbot/formula-3-end-11',
    'numbot/formula-3-end-12',
    'numbot/formula-3-end-13',
    'numbot/formula-3-end-14',
    'numbot/formula-3-end-15',
    'numbot/formula-3-end-16',
    'numbot/formula-3-end-17',
    'numbot/formula-3-end-18',
    'numbot/formula-3-end-19',
    'numbot/formula-3-end-20',
    'numbot/formula-3-end-21',
    'numbot/formula-3-end-22',
    'numbot/formula-3-end-23',
    'numbot/formula-3-end-24',
    'numbot/formula-3-end-25',
    'numbot/formula-3-end-26',
    'numbot/formula-3-end-27',
    'numbot/formula-3-end-28',

    'numbot/formula-1-segment-1',
    'numbot/formula-1-segment-2',
    'numbot/formula-1-segment-3',
    'numbot/formula-1-segment-4',
    'numbot/formula-1-segment-5',
    'numbot/formula-1-segment-6',
    'numbot/formula-1-segment-7',
    'numbot/formula-2-segment-1',
    'numbot/formula-2-segment-2',
    'numbot/formula-2-segment-3',
    'numbot/formula-2-segment-4',
    'numbot/formula-2-segment-5',
    'numbot/formula-2-segment-6',
    'numbot/formula-2-segment-7',
    'numbot/formula-3-segment-1',
    'numbot/formula-3-segment-2',
    'numbot/formula-3-segment-3',
    'numbot/formula-3-segment-4',
    'numbot/formula-3-segment-5',
    'numbot/formula-3-segment-6',
    'numbot/formula-3-segment-7'
  ],

  // Images for level 2.
  'level-2-1': [
    'demonbot/paper-finale-11',
    'demonbot/paper-finale-13',
    'demonbot/paper-finale-15',
    'demonbot/paper-finale-17',
    'demonbot/paper-finale-19',
    'demonbot/paper-finale-21',
    'demonbot/paper-finale-23',
    'demonbot/paper-finale-25',
    'demonbot/paper-finale-27',
    'demonbot/paper-finale-29'
  ],

  'level-2-2': [
    'demonbot/hair',
    'demonbot/hair-rotate-0.5',
    'demonbot/hair-rotate-1',
    'demonbot/hair-rotate-1.5',
    'demonbot/hair-rotate-2',
    'demonbot/hair-rotate-2.5',
    'demonbot/hair-rotate-3',
    'demonbot/hair-rotate-3.5',
    'demonbot/hair-rotate-4',
    'demonbot/hair-rotate-4.5',
    'demonbot/hair-rotate-4.75',
    'demonbot/hair-rotate-5',

    'hints/demonbot-target-wave-1',
    'hints/demonbot-target-wave-2',
    'hints/demonbot-target-wave-3',
    'hints/demonbot-wave-1',
    'hints/demonbot-wave-2',
    'hints/demonbot-wave-3',

    'demonbot/paper-finale-1',
    'demonbot/paper-finale-3',
    'demonbot/paper-finale-5',
    'demonbot/paper-finale-7',
    'demonbot/paper-finale-9',

    'background/satellite',

    'demonbot/eye-big',
    'demonbot/eye-medium',
    'demonbot/eye-small',

    'demonbot/big-eye-left',
    'demonbot/big-eye-right-1',
    'demonbot/big-eye-right-2',
    'demonbot/big-eye-right-3',
    'demonbot/big-eye-right-4',
    'demonbot/big-eye-right-5',
    'demonbot/big-eye-right-6',
    'demonbot/big-eye-right-7',
    'demonbot/big-eye-right-8',
    'demonbot/big-eye-right-9',
    'demonbot/big-eye-right-10',
    'demonbot/big-eye-right-11',
    'demonbot/big-eye-right-12',

    'demonbot/ui-cogs-1',
    'demonbot/ui-cogs-2',
    'demonbot/ui-cogs-3',
    'demonbot/ui-cogs-4',
    'demonbot/ui-cogs-5',
    'demonbot/ui-cogs-6',
    'demonbot/ui-cogs-7',
    'demonbot/ui-cogs-8',
    'demonbot/ui-cogs-9',
    'demonbot/ui-cogs-10',
    'demonbot/ui-cogs-11',
    'demonbot/ui-cogs-12',
    'demonbot/ui-cogs-13',
    'demonbot/ui-cogs-14',
    'demonbot/ui-cogs-15',
    'demonbot/ui-cogs-16',
    'demonbot/ui-cogs-17',
    'demonbot/ui-cogs-18',
    'demonbot/ui-cogs-19',
    'demonbot/ui-cogs-20',

    'demonbot/ui',
    'demonbot/ui-top',
    'demonbot/ui-dial-amplitude-empty',
    'demonbot/ui-dial-amplitude-mid',
    'demonbot/ui-dial-amplitude-short',
    'demonbot/ui-dial-amplitude-tall',
    'demonbot/ui-dial-frequency-empty',
    'demonbot/ui-dial-frequency-mid',
    'demonbot/ui-dial-frequency-squish',
    'demonbot/ui-dial-frequency-stretch',
    'demonbot/ui-dial-wave-empty',
    'demonbot/ui-dial-wave-saw',
    'demonbot/ui-dial-wave-sine',
    'demonbot/ui-dial-wave-square',
    'demonbot/ui-button-activate',
    'demonbot/ui-button-activate-press-1',
    'demonbot/ui-button-activate-press-2',
    'demonbot/ui-button-activate-press-3',
    'demonbot/ui-button-left',
    'demonbot/ui-button-right',
    'demonbot/ui-button-left-press',
    'demonbot/ui-button-right-press',

    'demonbot/ui-extension-1',
    'demonbot/ui-extension-2',
    'demonbot/ui-extension-3',

    'demonbot/paper-1',
    'demonbot/paper-2',
    'demonbot/paper-3',
    'demonbot/paper-4',
    'demonbot/paper-5',
    'demonbot/paper-6',
    'demonbot/paper-7',
    'demonbot/paper-8',

    'demonbot/left-hand-1',
    'demonbot/left-hand-2',
    'demonbot/left-hand-3',
    'demonbot/left-hand-4',
    'demonbot/left-hand-5',
    'demonbot/left-hand-6',
    'demonbot/left-hand-7',
    'demonbot/left-hand-8',
    'demonbot/left-hand-9',
    'demonbot/left-hand-10',
    'demonbot/left-hand-11',
    'demonbot/left-hand-12',
    'demonbot/left-hand-13',
    'demonbot/left-hand-14',
    'demonbot/left-hand-15',

    'demonbot/right-hand-1',
    'demonbot/right-hand-2',
    'demonbot/right-hand-3',
    'demonbot/right-hand-4',
    'demonbot/right-hand-5',
    'demonbot/right-hand-6',
    'demonbot/right-hand-7',
    'demonbot/right-hand-8',
    'demonbot/right-hand-9',
    'demonbot/right-hand-10',
    'demonbot/right-hand-11',
    'demonbot/right-hand-12',
    'demonbot/right-hand-13',
    'demonbot/right-hand-14',
    'demonbot/right-hand-15',
    'demonbot/right-hand-16',
    'demonbot/right-hand-17',
    'demonbot/right-hand-18',
    'demonbot/right-hand-19',
    'demonbot/right-hand-20',
    'demonbot/right-hand-21',
    'demonbot/right-hand-22',
    'demonbot/right-hand-23',
    'demonbot/right-hand-24',
    'demonbot/right-hand-25',
    'demonbot/right-hand-26',
    'demonbot/right-hand-27',
    'demonbot/right-hand-28',
    'demonbot/right-hand-29',
    'demonbot/right-hand-30',
    'demonbot/right-hand-31',
    'demonbot/right-hand-32',
    'demonbot/right-hand-33',
    'demonbot/right-hand-34',
    'demonbot/right-hand-35',
    'demonbot/right-hand-36',
    'demonbot/right-hand-37',
    'demonbot/right-hand-38',
    'demonbot/right-hand-39',
    'demonbot/right-hand-40',

    'demonbot/pen-base-top',
    'demonbot/pen-base-bottom',
    'demonbot/pen-extend-1',
    'demonbot/pen-extend-2',
    'demonbot/pen-extend-3',
    'demonbot/pen-extend-4'
  ],
  'level-2-3': [
    'demonbot/paper-finale-30',
    'demonbot/paper-finale-31',
    'demonbot/paper-finale-32',
    'demonbot/paper-finale-33',
    'demonbot/paper-finale-34',
    'demonbot/paper-finale-35'
  ],
  'level-2-4': [
    'demonbot/paper-finale-36',
    'demonbot/paper-finale-37',
    'demonbot/paper-finale-38',
    'demonbot/paper-finale-39',
    'demonbot/paper-finale-40',
    'demonbot/body',

    'demonbot/wave-saw-mid-mid',
    'demonbot/wave-saw-mid-squish',
    'demonbot/wave-saw-mid-stretch',
    'demonbot/wave-saw-short-mid',
    'demonbot/wave-saw-short-squish',
    'demonbot/wave-saw-short-stretch',
    'demonbot/wave-saw-tall-mid',
    'demonbot/wave-saw-tall-squish',
    'demonbot/wave-saw-tall-stretch',

    'demonbot/wave-sine-mid-mid',
    'demonbot/wave-sine-mid-squish',
    'demonbot/wave-sine-mid-stretch',
    'demonbot/wave-sine-short-mid',
    'demonbot/wave-sine-short-squish',
    'demonbot/wave-sine-short-stretch',
    'demonbot/wave-sine-tall-mid',
    'demonbot/wave-sine-tall-squish',
    'demonbot/wave-sine-tall-stretch',

    'demonbot/wave-square-mid-mid',
    'demonbot/wave-square-mid-squish',
    'demonbot/wave-square-mid-stretch',
    'demonbot/wave-square-short-mid',
    'demonbot/wave-square-short-squish',
    'demonbot/wave-square-short-stretch',
    'demonbot/wave-square-tall-mid',
    'demonbot/wave-square-tall-squish',
    'demonbot/wave-square-tall-stretch',

    'demonbot/wave-target'
  ],

  'level-2-5': [
    'demonbot/pen-extend-5',
    'demonbot/pen-extend-6',
    'demonbot/pen-extend-7',
    'demonbot/pen-extend-8',
    'demonbot/pen-extend-9',
    'demonbot/pen-extend-10',
    'demonbot/pen-extend-11',
    'demonbot/pen-extend-12',
    'demonbot/pen-extend-13',
    'demonbot/pen-extend-14',
    'demonbot/pen-extend-15',
    'demonbot/pen-extend-16',
    'demonbot/pen-extend-17',
    'demonbot/pen-extend-18',
    'demonbot/pen-extend-19',
    'demonbot/pen-extend-20',
    'demonbot/pen-extend-21',
    'demonbot/pen-extend-22',
    'demonbot/pen-extend-23',
    'demonbot/pen-extend-24',
    'demonbot/pen-extend-25',
    'demonbot/pen-extend-26',
    'demonbot/pen-extend-27',
    'demonbot/pen-extend-28',
    'demonbot/pen-extend-29',
    'demonbot/pen-extend-30',
    'demonbot/pen-extend-31',
    'demonbot/pen-extend-32',
    'demonbot/pen-extend-33',
    'demonbot/pen-extend-34',
    'demonbot/pen-extend-35',
    'demonbot/pen-extend-36',
    'demonbot/pen-extend-37',
    'demonbot/pen-extend-38',
    'demonbot/pen-extend-39',
    'demonbot/pen-extend-40'
  ],

  // Images needed for level 3.
  'level-3': [
    'babybot/planet-opening-1',
    'babybot/planet-opening-2',
    'babybot/planet-opening-3',
    'babybot/planet-opening-4',

    'babybot/gift-1',
    'babybot/gift-2',
    'babybot/gift-3',
    'babybot/gift-4',
    'babybot/gift-5',
    'babybot/gift-6',
    'babybot/gift-7',

    'babybot/planet-1-explosion-1',
    'babybot/planet-1-explosion-2',
    'babybot/planet-1-explosion-3',
    'babybot/planet-1-explosion-4',
    'babybot/planet-2-explosion-1',
    'babybot/planet-2-explosion-2',
    'babybot/planet-2-explosion-3',
    'babybot/planet-2-explosion-4',
    'babybot/planet-3-explosion-1',
    'babybot/planet-3-explosion-2',
    'babybot/planet-3-explosion-3',
    'babybot/planet-3-explosion-4',

    'babybot/planet-1-ambiance-1',
    'babybot/planet-1-ambiance-2',
    'babybot/planet-1-ambiance-3',
    'babybot/planet-1-ambiance-4',
    'babybot/planet-1-ambiance-5',
    'babybot/planet-1-ambiance-6',
    'babybot/planet-1-ambiance-7',
    'babybot/planet-1-ambiance-8',
    'babybot/planet-1-ambiance-9',
    'babybot/planet-1-ambiance-10',
    'babybot/planet-1-ambiance-11',
    'babybot/planet-1-ambiance-12',
    'babybot/planet-1-ambiance-13',
    'babybot/planet-1-ambiance-14',
    'babybot/planet-1-ambiance-15',
    'babybot/planet-1-ambiance-16',
    'babybot/planet-1-ambiance-17',
    'babybot/planet-1-ambiance-18',
    'babybot/planet-1-ambiance-19',
    'babybot/planet-1-ambiance-20',

    'babybot/planet-2-ambiance-1',
    'babybot/planet-2-ambiance-2',
    'babybot/planet-2-ambiance-3',
    'babybot/planet-2-ambiance-4',
    'babybot/planet-2-ambiance-5',

    'babybot/planet-3-ambiance-1',
    'babybot/planet-3-ambiance-2',
    'babybot/planet-3-ambiance-3',
    'babybot/planet-3-ambiance-4',
    'babybot/planet-3-ambiance-5',

    'babybot/planet-4-ambiance-1',
    'babybot/planet-4-ambiance-2',
    'babybot/planet-4-ambiance-3',
    'babybot/planet-4-ambiance-4',
    'babybot/planet-4-ambiance-5',

    'babybot/cannon-wheel',
    'babybot/cannon-wheel-rotate24',
    'babybot/cannon-wheel-rotate48',
    'babybot/cannon-wheel-rotate72',
    'babybot/cannon-wheel-rotate96',
    'babybot/cannon-wheel-rotate120',
    'babybot/cannon-wheel-rotate144',
    'babybot/cannon-wheel-rotate168',
    'babybot/cannon-wheel-rotate-168',
    'babybot/cannon-wheel-rotate-144',
    'babybot/cannon-wheel-rotate-120',
    'babybot/cannon-wheel-rotate-96',
    'babybot/cannon-wheel-rotate-72',
    'babybot/cannon-wheel-rotate-48',
    'babybot/cannon-wheel-rotate-24',

    'babybot/planet-3',
    'babybot/planet-4',

    'babybot/cannon-body',
    'babybot/cannon-body-rotate1',
    'babybot/cannon-body-rotate2',
    'babybot/cannon-body-rotate3',
    'babybot/cannon-body-rotate4',
    'babybot/cannon-body-rotate5',
    'babybot/cannon-body-rotate-1',
    'babybot/cannon-body-rotate-2',
    'babybot/cannon-body-rotate-3',
    'babybot/cannon-body-rotate-4',
    'babybot/cannon-body-rotate-5',

    'babybot/cannon-button-left',
    'babybot/cannon-button-left-press',
    'babybot/cannon-button-left-rotate-2.5',
    'babybot/cannon-button-left-rotate-5',
    'babybot/cannon-button-left-rotate2.5',
    'babybot/cannon-button-left-rotate5',
    'babybot/cannon-button-right',
    'babybot/cannon-button-right-press',
    'babybot/cannon-button-right-rotate-2.5',
    'babybot/cannon-button-right-rotate-5',
    'babybot/cannon-button-right-rotate2.5',
    'babybot/cannon-button-right-rotate5',

    'babybot/cannon-button-activate',
    'babybot/cannon-button-activate-press',
    'babybot/cannon-button-activate-rotate-2.5',
    'babybot/cannon-button-activate-rotate-5',
    'babybot/cannon-button-activate-rotate2.5',
    'babybot/cannon-button-activate-rotate5',

    'babybot/cannon-baby-inside',
    'babybot/cannon-baby-right-1',
    'babybot/cannon-baby-right-2',
    'babybot/cannon-baby-right-3',
    'babybot/cannon-baby-right-4',
    'babybot/cannon-baby-right-5',
    'babybot/cannon-baby-right-6',
    'babybot/cannon-baby-right-7',
    'babybot/cannon-baby-right-8',
    'babybot/cannon-baby-left-1',
    'babybot/cannon-baby-left-2',
    'babybot/cannon-baby-left-3',
    'babybot/cannon-baby-left-4',
    'babybot/cannon-baby-left-5',
    'babybot/cannon-baby-left-6',
    'babybot/cannon-baby-left-7',
    'babybot/cannon-baby-left-8',
    'babybot/cannon-baby-load-1',
    'babybot/cannon-baby-load-2',
    'babybot/cannon-baby-load-3',
    'babybot/cannon-baby-load-4',
    'babybot/cannon-baby-load-5',
    'babybot/cannon-baby-load-6',
    'babybot/cannon-baby-load-7',
    'babybot/cannon-baby-load-8',
    'babybot/cannon-baby-load-9',
    'babybot/cannon-baby-load-10',
    'babybot/cannon-baby-load-11',
    'babybot/cannon-baby-load-12',
    'babybot/cannon-baby-load-13',
    'babybot/cannon-baby-load-14',
    'babybot/cannon-baby-load-15',
    'babybot/cannon-baby-new-1',
    'babybot/cannon-baby-new-2',
    'babybot/cannon-baby-new-3',
    'babybot/cannon-baby-new-4',
    'babybot/cannon-baby-new-5',
    'babybot/cannon-baby-new-6',
    'babybot/cannon-baby-new-7',
    'babybot/cannon-baby-new-8',
    'babybot/cannon-baby-new-9',
    'babybot/cannon-baby-new-10',
    'babybot/cannon-baby-new-11',
    'babybot/cannon-baby-new-12',
    'babybot/cannon-baby-new-13',
    'babybot/cannon-baby-new-14',
    'babybot/cannon-baby-new-15',
    'babybot/cannon-baby-new-16',
    'babybot/cannon-baby-flying-up-half',
    'babybot/cannon-baby-flying-up-full',

    'babybot/cannon-baby-falling-down',
    'babybot/cannon-baby-falling-down-rotate24',
    'babybot/cannon-baby-falling-down-rotate48',
    'babybot/cannon-baby-falling-down-rotate72',
    'babybot/cannon-baby-falling-down-rotate96',
    'babybot/cannon-baby-falling-down-rotate120',
    'babybot/cannon-baby-falling-down-rotate144',
    'babybot/cannon-baby-falling-down-rotate168',
    'babybot/cannon-baby-falling-down-rotate-168',
    'babybot/cannon-baby-falling-down-rotate-144',
    'babybot/cannon-baby-falling-down-rotate-120',
    'babybot/cannon-baby-falling-down-rotate-96',
    'babybot/cannon-baby-falling-down-rotate-72',
    'babybot/cannon-baby-falling-down-rotate-48',
    'babybot/cannon-baby-falling-down-rotate-24',

    'babybot/bk-star',
    'babybot/planet-1',
    'babybot/planet-2',
    'babybot/planet-1-moon',
    'babybot/planet-2-moon',
    'babybot/planet-3-moon',
    'babybot/planet-4-moon',
    'babybot/bk-constellation-1',
    'babybot/bk-constellation-2',

    'explosions/explosion-1-1',
    'explosions/explosion-1-2',
    'explosions/explosion-1-3',
    'explosions/explosion-1-4',
    'explosions/explosion-1-5',
    'explosions/explosion-1-6',
    'explosions/explosion-1-7',
    'explosions/explosion-1-8',
    'explosions/explosion-1-9',
    'explosions/explosion-1-10',

    'explosions/explosion-2-1',
    'explosions/explosion-2-2',
    'explosions/explosion-2-3',
    'explosions/explosion-2-4',
    'explosions/explosion-2-5',
    'explosions/explosion-2-6',
    'explosions/explosion-2-7',
    'explosions/explosion-2-8',
    'explosions/explosion-2-9',
    'explosions/explosion-2-10',

    'explosions/explosion-3-1',
    'explosions/explosion-3-2',
    'explosions/explosion-3-3',
    'explosions/explosion-3-4',
    'explosions/explosion-3-5',
    'explosions/explosion-3-6',
    'explosions/explosion-3-7',
    'explosions/explosion-3-8',
    'explosions/explosion-3-9',
    'explosions/explosion-3-10',

    'explosions/explosion-4-1',
    'explosions/explosion-4-2',
    'explosions/explosion-4-3',
    'explosions/explosion-4-4',
    'explosions/explosion-4-5',
    'explosions/explosion-4-6',
    'explosions/explosion-4-7',
    'explosions/explosion-4-8',
    'explosions/explosion-4-9',
    'explosions/explosion-4-10',

    'cat/sit-body',
    'cat/sit-head-1',
    'cat/sit-head-2',
    'cat/sit-head-3',
    'cat/sit-head-4',
    'cat/sit-head-5',
    'cat/sit-head-6',
    'cat/sit-head-7',
    'cat/sit-head-8',
    'cat/sit-head-9',
    'cat/sit-tail-1',
    'cat/sit-tail-2',
    'cat/sit-tail-3',
    'cat/sit-tail-4',
    'cat/sit-tail-5',
    'cat/sit-tail-6',
    'cat/stand',
    'cat/walk-1',
    'cat/walk-2',
    'cat/walk-3',
    'cat/walk-4',
    'cat/walk-5',
    'cat/walk-6',
    'cat/walk-7',
    'cat/walk-8',

    'hints/babybot-1',
    'hints/babybot-2',
    'hints/babybot-3',
    'hints/babybot-4',
    'hints/babybot-5',
    'hints/babybot-6',
    'hints/babybot-7',
    'hints/babybot-8',
    'hints/babybot-9',
    'hints/babybot-10',
    'hints/babybot-11',
    'hints/babybot-12',
    'hints/babybot-13'
  ],

  // Images needed for the finale.
  'finale-1': [
    'intro-finale/items-letter-n',
    'intro-finale/items-letter-s',
    'intro-finale/items-letter-h',

    'intro-finale/items-clove',
    'intro-finale/items-control-room',
    'intro-finale/items-earmuffs',
    'intro-finale/items-forget-me-not',
    'intro-finale/items-halo-1',
    'intro-finale/items-halo-2',
    'intro-finale/items-halo-3',
    'intro-finale/items-hole-1',
    'intro-finale/items-hole-2',
    'intro-finale/items-hole-3',
    'intro-finale/items-hole-4',
    'intro-finale/items-narcissus',
    'intro-finale/items-needle-thread',
    'intro-finale/items-needle',
    'intro-finale/items-neutron-1',
    'intro-finale/items-neutron-2',
    'intro-finale/items-neutron-3',
    'intro-finale/items-neutron-4',
    'intro-finale/items-neutron-5',
    'intro-finale/items-neutron-6',
    'intro-finale/items-neutron-7',
    'intro-finale/items-neutron-8',
    'intro-finale/items-neutron-9',
    'intro-finale/items-neutron-10',
    'intro-finale/items-neutron-11',
    'intro-finale/items-neutron-12',
    'intro-finale/items-neutron-dropped',
    'intro-finale/items-noodles',
    'intro-finale/items-nose',
    'intro-finale/items-pinstripe',
    'intro-finale/items-potion',
    'intro-finale/items-scissors',
    'intro-finale/items-shower-1',
    'intro-finale/items-shower-2',
    'intro-finale/items-shower-3',
    'intro-finale/items-shower-4',
    'intro-finale/items-shower-5',
    'intro-finale/items-shower-6',
    'intro-finale/items-shower-7',
    'intro-finale/items-shower-8',
    'intro-finale/items-shower-9',
    'intro-finale/items-shower-10',
    'intro-finale/items-shower-11',
    'intro-finale/items-shower-12',
    'intro-finale/items-shower-13',
    'intro-finale/items-shower-14',
    'intro-finale/items-shower-15',
    'intro-finale/items-shower-16',
    'intro-finale/items-shower-17',
    'intro-finale/items-shower-18',
    'intro-finale/items-shower-19',
    'intro-finale/items-shower-20',
    'intro-finale/items-shower',
    'intro-finale/items-thimble',
    'intro-finale/items-thread-thimble',
    'intro-finale/items-thread',
    'intro-finale/items-trim',

    'intro-finale/items-basket',
    'intro-finale/items-broom',
    'intro-finale/items-castanet',
    'intro-finale/items-crab-1',
    'intro-finale/items-crab-2',
    'intro-finale/items-crab-3',
    'intro-finale/items-crab-4',
    'intro-finale/items-crab-5',
    'intro-finale/items-crab-6',
    'intro-finale/items-crab-7',
    'intro-finale/items-crab-8',
    'intro-finale/items-frying-pan',
    'intro-finale/items-gnocchi',
    'intro-finale/items-hazelnut',
    'intro-finale/items-knife',
    'intro-finale/items-knot',
    'intro-finale/items-lilypads',
    'intro-finale/items-nacre-1',
    'intro-finale/items-nacre-2',
    'intro-finale/items-nacre-3',
    'intro-finale/items-necesere',
    'intro-finale/items-pebbles',
    'intro-finale/items-rivet',
    'intro-finale/items-rolling-pin',
    'intro-finale/items-spinach',

    'intro-finale/dragon-1',
    'intro-finale/dragon-2',
    'intro-finale/dragon-3',
    'intro-finale/dragon-4',
    'intro-finale/dragon-5',
    'intro-finale/dragon-6',
    'intro-finale/dragon-7',
    'intro-finale/dragon-8',
    'intro-finale/dragon-9',
    'intro-finale/dragon-10',
    'intro-finale/dragon-11',
    'intro-finale/dragon-12',
    'intro-finale/dragon-13',
    'intro-finale/dragon-14',
    'intro-finale/dragon-15',
    'intro-finale/dragon-16',
    'intro-finale/dragon-17',

    'trurl/hi-1',
    'trurl/hi-2',
    'trurl/hi-3',
    'trurl/hi-4',
    'trurl/hi-5',
    'trurl/hi-6',
    'trurl/hi-7',
    'trurl/hi-8',
    'trurl/hi-9',
    'trurl/hi-10',
    'trurl/hi-11',
    'trurl/hi-12',
    'trurl/hi-13',
    'trurl/hi-14',

    'klapaucjusz/standing',
    'klapaucjusz/hi-1',
    'klapaucjusz/hi-2',
    'klapaucjusz/hi-3',
    'klapaucjusz/hi-4',
    'klapaucjusz/hi-5',
    'klapaucjusz/hi-6',
    'klapaucjusz/hi-7',
    'klapaucjusz/hi-8',
    'klapaucjusz/hi-9',
    'klapaucjusz/hi-10',
    'klapaucjusz/looking-away-left',
    'klapaucjusz/looking-trurl',
    'klapaucjusz/standing-back',
    'klapaucjusz/standing-left',
    'klapaucjusz/standing',
    'klapaucjusz/surprise',
    'klapaucjusz/run-1',
    'klapaucjusz/run-2',
    'klapaucjusz/run-3',
    'klapaucjusz/run-4',
    'klapaucjusz/run-5',
    'klapaucjusz/run-6',
    'klapaucjusz/run-7',
    'klapaucjusz/run-8',

    'trurl/run-1',
    'trurl/run-2',
    'trurl/run-3',
    'trurl/run-4',
    'trurl/run-5',

    'intro-finale/speech-bubble-1',
    'intro-finale/speech-bubble-2',
    'intro-finale/speech-bubble-3',
    'intro-finale/speech-bubble-4',
    'intro-finale/speech-bubble-5',
    'intro-finale/speech-bubble-6',
    'intro-finale/speech-bubble-7',
    'intro-finale/speech-bubble-8',
    'intro-finale/speech-bubble-9',

    'intro-finale/speech-bubble-rays-1',
    'intro-finale/speech-bubble-rays-2',
    'intro-finale/speech-bubble-rays-3',
    'intro-finale/speech-bubble-rays-4',
    'intro-finale/speech-bubble-rays-5',
    'intro-finale/speech-bubble-rays-6',
    'intro-finale/speech-bubble-rays-no-3',
    'intro-finale/speech-bubble-rays-no-4',
    'intro-finale/speech-bubble-rays-no-5',
    'intro-finale/speech-bubble-rays-no-6',

    'nbot/speech-bubble-1',
    'nbot/speech-bubble-2',
    'nbot/speech-bubble-3',
    'nbot/speech-bubble-4',
    'nbot/speech-bubble-5',
    'nbot/speech-bubble-6',
    'nbot/speech-bubble-7',
    'nbot/speech-bubble-8',
    'nbot/speech-bubble-9',
    'nbot/speech-bubble-10',
    'nbot/speech-bubble-11',

    'intro-finale/button-hole-1',
    'intro-finale/button-hole-2',
    'intro-finale/button-hole-3',
    'intro-finale/button-hole-4',
    'intro-finale/button-hole-5',
    'intro-finale/button-hole-6',
    'intro-finale/button-hole-7',
    'intro-finale/button-appear-1',
    'intro-finale/button-appear-2',
    'intro-finale/button-appear-3',
    'intro-finale/button-appear-4',
    'intro-finale/button-appear-5',
    'intro-finale/button-appear-6',
    'intro-finale/button-appear-7',
    'intro-finale/button-appear-8',
    'intro-finale/button-appear-9',
    'intro-finale/button-appear-10',
    'intro-finale/button-appear-11',
    'intro-finale/button-appear-12',
    'intro-finale/button-appear-13',
    'intro-finale/button-press-1',
    'intro-finale/button-press-2',
    'intro-finale/button-press-3',

    'hints/finale-1',
    'hints/finale-2',
    'hints/finale-3',
    'hints/finale-4',
    'hints/finale-5',
    'hints/finale-6',
    'hints/finale-7',
    'hints/finale-8',
    'hints/finale-9',
    'hints/finale-10',
    'hints/finale-bk',

    'nbot/head-2',
    'nbot/head-3',
    'nbot/head-4',
    'nbot/head-5',
    'nbot/head-6',
    'nbot/head-7',
    'nbot/head-8',
    'nbot/head-9',
    'nbot/head-10',

    'intro-finale/scaffolding-left-1',
    'intro-finale/scaffolding-left-2',
    'intro-finale/scaffolding-right-1',
    'intro-finale/scaffolding-right-2',

    'nbot/underwear-top',
    'nbot/underwear-bottom',

    'nbot/right-arm-action-8',
    'nbot/right-arm-action-9',
    'nbot/right-arm-action-10',
    'nbot/right-arm-action-11'
  ],

  'finale-2': [
    'nbot/body-activate-1',
    'nbot/body-activate-2',
    'nbot/body-activate-3',
    'nbot/body-activate-4',
    'nbot/body-activate-5',
    'nbot/body-activate-6',
    'nbot/body-activate-7',

    'nbot/left-arm-activate-1',
    'nbot/left-arm-activate-2',
    'nbot/left-arm-activate-3',
    'nbot/left-arm-activate-4',
    'nbot/left-arm-activate-5',
    'nbot/left-arm-activate-6',
    'nbot/left-arm-activate-7',

    'nbot/right-arm-activate-1',
    'nbot/right-arm-activate-2',
    'nbot/right-arm-activate-3',
    'nbot/right-arm-activate-4',
    'nbot/right-arm-activate-5',
    'nbot/right-arm-activate-6',
    'nbot/right-arm-activate-7',

    'nbot/body-idle-1',
    'nbot/body-idle-2',
    'nbot/body-idle-3',

    'nbot/left-arm-idle-1',
    'nbot/left-arm-idle-2',
    'nbot/left-arm-idle-3',
    'nbot/left-arm-idle-4',
    'nbot/left-arm-idle-5',
    'nbot/left-arm-idle-6',

    'nbot/right-arm-idle-1',
    'nbot/right-arm-idle-2',
    'nbot/right-arm-idle-3',
    'nbot/right-arm-idle-4',
    'nbot/right-arm-idle-5',
    'nbot/right-arm-idle-6',

    'nbot/body-action-1',
    'nbot/body-action-2',
    'nbot/body-action-3',
    'nbot/body-action-4',
    'nbot/body-action-5',
    'nbot/body-action-6',
    'nbot/body-action-7',
    'nbot/body-action-8',
    'nbot/body-action-9',
    'nbot/body-action-10',
    'nbot/body-action-11',

    'nbot/left-arm-action-1',
    'nbot/left-arm-action-2',
    'nbot/left-arm-action-3',
    'nbot/left-arm-action-4',
    'nbot/left-arm-action-5',
    'nbot/left-arm-action-6',
    'nbot/left-arm-action-7',
    'nbot/left-arm-action-8',
    'nbot/left-arm-action-9',
    'nbot/left-arm-action-10',
    'nbot/left-arm-action-11',

    'nbot/right-arm-action-1',
    'nbot/right-arm-action-2',
    'nbot/right-arm-action-3',
    'nbot/right-arm-action-4',
    'nbot/right-arm-action-5',
    'nbot/right-arm-action-6',
    'nbot/right-arm-action-7'
  ]
};

/**
 * Make necessary changes/additions to above image sets based on locale.
 */
engine.prepareImageSets = function() {
  // Add appropriate tooltip image, depending on locale.
  this.IMAGE_SETS['intro-' + this.country] =
      engine.duplicateArray(this.IMAGE_SETS['intro']);
  this.IMAGE_SETS['intro-' + this.country].push('ui/tooltip-text-' +
                                               this.country);
};
